EP 3115108 A1 20170111 - METHOD FOR LEACHING PRECIOUS METALS CONTAINED IN WASTE DENITRIFICATION CATALYST USING PRESSURE LEACHING PROCESS
Title (en)
METHOD FOR LEACHING PRECIOUS METALS CONTAINED IN WASTE DENITRIFICATION CATALYST USING PRESSURE LEACHING PROCESS
Title (de)
VERFAHREN ZUR LAUGUNG VON EDELMETALLEN IN ABFALLDENITRIFIKATIONSKATALYSATOREN MIT DRUCKAUSLAUGUNGSVERFAHREN
Title (fr)
PROCÉDÉ DE LIXIVIATION DES MÉTAUX PRÉCIEUX CONTENUS DANS LES DÉCHETS DE CATALYSEUR DE DÉNITRIFICATION À L'AIDE D'UN PROCÉDÉ DE LIXIVIATION SOUS PRESSION
Publication
Application
Priority
- KR 20140026130 A 20140305
- KR 2015001944 W 20150227
Abstract (en)
The present invention relates to a method for leaching precious metals contained in a waste denitrification catalyst by using a pressure leaching process, and more specifically, to a method for leaching precious metals contained in a waste denitrification catalyst by using a pressure leaching process, the method comprising the steps of: forming a mixture by mixing a waste denitrification catalyst with a sodium salt solution; and leaching vanadium and tungsten contained in the mixture by feeding the mixture into a sealed pressurized reactor, and then heating and stirring the mixture.
IPC 8 full level
B01J 38/72 (2006.01); B01J 23/22 (2006.01); B01J 23/30 (2006.01)
CPC (source: EP US)
C22B 7/008 (2013.01 - EP US); C22B 7/009 (2013.01 - EP US); C22B 34/225 (2013.01 - EP US); C22B 34/365 (2013.01 - EP US); Y02P 10/20 (2015.11 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3115108 A1 20170111; EP 3115108 A4 20171101; EP 3115108 B1 20210106; CN 106163664 A 20161123; CN 106163664 B 20190607; HU E053770 T2 20210728; KR 101466928 B1 20141203; PL 3115108 T3 20210628; US 10913989 B2 20210209; US 2017073795 A1 20170316; WO 2015133769 A1 20150911
DOCDB simple family (application)
EP 15757987 A 20150227; CN 201580011877 A 20150227; HU E15757987 A 20150227; KR 20140026130 A 20140305; KR 2015001944 W 20150227; PL 15757987 T 20150227; US 201515123624 A 20150227